Lock shackle



FIG. 1 is a top view of a lock shackle with seven flat sides;

FIG. 2 is a side view of the lock shackle shown in FIG. 1, wherein eachside is a mirror image of the other;

FIG. 3 is a front view of the lock shackle of FIG. 1, wherein the frontview and the back view are mirror images of each other; and,

FIG. 4 is a bottom view of the lock shackle of FIG. 1.

The portions of the Figures shown in phantom lines are not part of theclaimed design but are for illustration only.

The ornamental design for a lock shackle, as shown and described.